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Make rem_euclid_* return a u16

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This commit is contained in:
Gwilym Kuiper 2022-05-03 23:03:23 +01:00
parent 817e1e305e
commit ae65af4ca2
2 changed files with 19 additions and 16 deletions
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12
agb/src/display/tiled/infinite_scrolled_map.rs
View file

@ -63,8 +63,8 @@ impl<'a> InfiniteScrolledMap<'a> {
let offset = self.current_pos - (x_start * 8, y_start * 8).into();
let offset_scroll = (
self.map.size().rem_euclid_width(offset.x) as u16,
self.map.size().rem_euclid_height(offset.y) as u16,
self.map.size().rem_euclid_width(offset.x),
self.map.size().rem_euclid_height(offset.y),
)
.into();
@ -179,8 +179,8 @@ impl<'a> InfiniteScrolledMap<'a> {
self.map.set_tile(
vram,
(
size.rem_euclid_width(tile_x - self.offset.x) as u16,
size.rem_euclid_height(tile_y - self.offset.y) as u16,
size.rem_euclid_width(tile_x - self.offset.x),
size.rem_euclid_height(tile_y - self.offset.y),
)
.into(),
tileset,
@ -190,8 +190,8 @@ impl<'a> InfiniteScrolledMap<'a> {
let current_scroll = self.map.scroll_pos();
let new_scroll = (
size.rem_euclid_width_px(current_scroll.x as i32 + difference.x) as u16,
size.rem_euclid_height_px(current_scroll.y as i32 + difference.y) as u16,
size.rem_euclid_width_px(current_scroll.x as i32 + difference.x),
size.rem_euclid_height_px(current_scroll.y as i32 + difference.y),
)
.into();

23
agb/src/display/tiled/mod.rs
View file

@ -48,20 +48,20 @@ impl RegularBackgroundSize {
(self.width() * self.height()) as usize
}
pub(crate) fn rem_euclid_width(&self, x: i32) -> u32 {
(x as u32) & (self.width() - 1)
pub(crate) fn rem_euclid_width(&self, x: i32) -> u16 {
((x as u32) & (self.width() - 1)) as u16
}
pub(crate) fn rem_euclid_height(&self, y: i32) -> u32 {
(y as u32) & (self.height() - 1)
pub(crate) fn rem_euclid_height(&self, y: i32) -> u16 {
((y as u32) & (self.height() - 1)) as u16
}
pub(crate) fn rem_euclid_width_px(&self, x: i32) -> u32 {
(x as u32) & (self.width() * 8 - 1)
pub(crate) fn rem_euclid_width_px(&self, x: i32) -> u16 {
((x as u32) & (self.width() * 8 - 1)) as u16
}
pub(crate) fn rem_euclid_height_px(&self, y: i32) -> u32 {
(y as u32) & (self.height() * 8 - 1)
pub(crate) fn rem_euclid_height_px(&self, y: i32) -> u16 {
((y as u32) & (self.height() * 8 - 1)) as u16
}
}
@ -127,8 +127,11 @@ mod test {
assert_eq!(size.rem_euclid_width(3 + width), 3);
assert_eq!(size.rem_euclid_width(7 + width * 9), 7);
assert_eq!(size.rem_euclid_width(-8), size.width() - 8);
assert_eq!(size.rem_euclid_width(-17 - width * 8), size.width() - 17);
assert_eq!(size.rem_euclid_width(-8), (size.width() - 8) as u16);
assert_eq!(
size.rem_euclid_width(-17 - width * 8),
(size.width() - 17) as u16
);
}
}
}